Home / 13,721,018.25-20,202,136.50

Finding the Third Proportional to 13,721,018.25 and 20,202,136.50

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Solution

The third proportional to 13,721,018.25 and 20,202,136.50 is: 29,744,608.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721,018.25 : 20,202,136.50 = 20,202,136.50 : x
  2. Step 2: Convert to fraction form
    13,721,018.25/20,202,136.50 = 20,202,136.50/x
  3. Step 3: Cross multiply
    13,721,018.25x = 20,202,136.50 × 20,202,136.50
  4. Step 4: Simplify right side
    13,721,018.25x = 408,126,319,164,632.25
  5. Step 5: Solve for x
    x = 408,126,319,164,632.25/13,721,018.25
  6. Step 6: Final answer
    x = 29,744,608.73

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.